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ASTM F868-17(2024)

Historical Reaffirmation

Standard Classification for Laminated Composite Gasket Materials

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1.1 This classification covers a means for specifying or describing pertinent properties of commercial laminate composite gasket materials (LCGM). These structures are composed of two or more chemically different layers of material. These materials may be organic or inorganic, or combinations with various binders or impregnants. Gasket coatings are not covered since details thereof are intended to be given on engineering drawings, or as separate specifications. Commercial materials designated as enveloped gaskets are excluded from this classification; they are covered in Practice F336. This classification system does not cover multilayer steel (MLS) gaskets currently used for some automotive exhaust and head gaskets. MLS gaskets are classified under Classification F2325.

1.2 Since all of the properties that contribute to gasket performance are not included, use of this classification as a basis for selecting LCGM is limited.

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


4.1 This classification is intended to encourage uniformity in reporting properties; to provide a common language for communications between producers and users; to guide engineers and designers in the use, construction, and properties of commercially available materials; and to be versatile enough to cover new materials and test methods as they are introduced.

SDO ASTM: ASTM International
Document Number F868
Publication Date Sept. 1, 2024
Language en - English
Page Count 4
Revision Level 17(2024)
Supercedes
Committee F03.30
Publish Date Document Id Type View
May 1, 2017 F0868-17 Revision
Oct. 10, 2002 F0868-02 Revision
Sept. 1, 2024 F0868-17R24 Reaffirmation
May 1, 2009 F0868-02R09 Reaffirmation
Jan. 1, 1997 F0868-91R97E01 Reaffirmation